Ya know.you should explain what is the question I mean like who is Keller here and the teacher?
Not to be rude but you really should read and understand what you are typing...
Answer: A small communist team attacked the Phu Lam communications base on the southern edge of Saigon.
The statement that is true
regarding restrictive adjectival clause is it will follow a general noun and is
not set off by commas. Restrictive adjective clause limits the meaning the noun
it modifies. Unlike Nonrestrictive Adjective Clause, the Restrictive clause
should not be set off by commas.